Example: Ann jones is secretary of Mr Wooding. (What...?)-Whst does Ann jones do?

1.Mr Golovin got an invitation letter
yesterday.(When...?)
............,..................

2.Mr Wooding will phone Mr Golovin tomorrow. (When...?)
..............................

3.A group of 20 Russian students can come to London.(How many...?)
...........................

4.Barbara Grey is responsible for the social programme.(Why...?)
..............................

5.Mr Golovin thanked his English colleague for the invitation.(Who...?)
................................